Curb and drain unit



FIG. 1 is a perspective view of a curb and drain unit embodying my new design;

FIG. 2 is a elevational view;

FIG. 3 is a rear elevational view;

FIG. 4 is a plan view;

FIG. 5 is a bottom view;

FIG. 6 is a right side view;

FIG. 7 is a cross-sectional view taken on line VII--VII of FIG. 4; and

FIG. 8 is a cross-sectional view taken on line VIII--VIII of FIG. 4 of a curb and drain unit. 

The ornamental design for a curb and drain unit, as shown. 